Hitachi YUTAKI S RWM-4.0NE - Emergency Operation; Heat Pump; Minimum off Time; Minimum on Time

ENGLISH
8.6.2.9 Heat Pump
Available if Controller type (LCDM)= “Unit” or “Unit + Room”.
• Water Pump Conguration
• Outdoor average Timer
• Minimum ON Time
• Minimum OFF Time
• Emergency Operation
• Seizure Protection
REF Access Description
Default
Value
Range Steps Units Application
Notes
Heat Pump S SC S80 M
HPWP1
Water Pump Conguration - - - - ○ ○ ○ ○ -
HPOUt
Outdoor average Timer 4 0~24 1 hour ○ ○ ○ ○ -
Rton Minimum ON Time 6 0~15 1 min ○ ○ ○ ○ -
Rtoff Minimum OFF Time 6 0~15 1 min ○ ○ ○ ○ -
HPEO Emergency Operation Manual Manual/ Automatic - - ○ ○ ○ ○ -
- Seizure Protection - - - - ○ ○ ○ ○ -

Water Pump Conguration
REF Access Description
Default
Value
Range Steps Units Application
Notes
Water Pump Conguration S SC S80 M
WPOp Operation Mode Fix ΔT/Fix - - ○ ○ ○ ○ -
WPSS Space Speed 100 50~100 5 % ○ ○ ○ ○ (*1)
WPDS DHW Speed 100 50~100 5 % ○ ○ ○ ○ (*2)
WPWS
SWP Speed 100 50~100 5 % ○ ○ ○ ○ (*3)
WPMinf
Minimum OFF Time 40 0~120 10 min ○ ○ ○ ○ -
WPMino Minimum ON Time 10 0~120 10 min ○ ○ ○ ○ -
WPOvr Overrun Time 10 0~120 5 min ○ ○ ○ ○ -
WPSc Stop conditions Standard Standard/Thermo OFF - - ○ ○ ○ ○ -
? NOTE
• (*1):If Operation mode (WPOp) = “Fix”.
• (*2): If Status (DHWs) = “Enabled”.
• (*3): If Status (SWP) = “Enabled”.

Seizure Protection
REF Access Description
Default
Value
Range Steps Units Application
Notes
Seizure Protection S SC S80 M
HPWP1 Status Disabled Disabled / Enabled - - ○ ○ ○ ○ -
HPOUt Operation Day Monday Mon ~ Sun - day ○ ○ ○ ○ (*1)
Rton Starting Time 01:00 (00:00~ 23:50) 00:10 time ○ ○ ○ ○ (*1)
? NOTE
(*1):If Status (HPWP1)= “Enabled”.
UNIT CONTROLLER
PMML0335A rev.1 - 04/2016
155